I envision a future (not too far away) where we can literally turn anything into anything else reasonably efficiently. CO2 in the atmosphere with hydrogen and

I envision a future (not too far away) where we can literally turn anything into anything else reasonably efficiently. CO2 in the atmosphere with hydrogen and oxygen from water, waste into each of its base component atoms, whatever into whatever else. Something like global recycling of everything, if that makes any sense.